Skin fold in the transient electric field - QuickField simulation example
Transient electric-field stress and current-density distribution in a folded skin sample placed between flat electrodes during applied voltage pulses.
How to calculate the transient electric field stress and current distribution in a folded skin sample between pulsed electrodes?
Answer Typical applications Geometry
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Task
Solution
Results
Engineering question
Set up a plane-parallel QuickField Transient Electric problem for the skin-fold and electrode geometry and apply a voltage pulse defined as a function of time between the flat electrodes. Then evaluate the resulting field stress and current distribution across the skin layers.
biomedical electrode folds, skin electrode contacts, electroporation electrode systems
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Simulation problem
Problem Type
Plane-parallel problem of Transient electric.
Voltage V~ = 500 V, pulse duration 70μs.
Tissue name Thickness, μm Relative dielectric permittivity Conductivity, mS/m
Stratum corneum 5 10k 0.0125
Epidermis 10 1.2M 227
Dermis 700 1.2M 227
Muscle 550 25M 400
Sub tissue 495 10M 20
Simulate the transient electric field stress and current distribution in the fold of the skin.
The voltage pulse is defined by the formula 500*impulse(t,0,70e-6)
Electric field stress distribution in the skin:
Video
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